676236631647 has 16 divisors (see below), whose sum is σ = 959961536352. Its totient is φ = 421961103360.

The previous prime is 676236631619. The next prime is 676236631661. The reversal of 676236631647 is 746136632676.

It is not a de Polignac number, because 676236631647 - 2¹¹ = 676236629599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676236631667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36619338 + ... + 36637799.

It is an arithmetic number, because the mean of its divisors is an integer number (59997596022).

Almost surely, 2^676236631647 is an apocalyptic number.

676236631647 is a deficient number, since it is larger than the sum of its proper divisors (283724904705).

676236631647 is a wasteful number, since it uses less digits than its factorization.

676236631647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73257338.

The product of its digits is 27433728, while the sum is 57.

The spelling of 676236631647 in words is "six hundred seventy-six billion, two hundred thirty-six million, six hundred thirty-one thousand, six hundred forty-seven".